/*
 * Copyright (c) 2020 - present, Inspur Genersoft Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.inspur.edp.udt.generator.core.rtgenerator.entity.data;

import com.inspur.edp.caf.generator.baseInfo.ParameterInfo;
import com.inspur.edp.caf.generator.baseInfo.TypeInfo;
import com.inspur.edp.caf.generator.method.ClassMethodGenerator;
import com.inspur.edp.cef.api.attr.PropertyGetAtrribute;
import com.inspur.edp.cef.gencommon.ReflectionUtils;
import org.eclipse.jdt.core.dom.Block;
import org.eclipse.jdt.core.dom.MethodInvocation;
import org.eclipse.jdt.core.dom.Modifier;
import org.eclipse.jdt.core.dom.ReturnStatement;

import java.lang.reflect.Method;
import java.util.ArrayList;

public class UdtDataGetValueGenerator extends ClassMethodGenerator {
    private Class targetInterfaceType;

    public  UdtDataGetValueGenerator(Class targetInterfaceType)
    {

        this.targetInterfaceType = targetInterfaceType;
    }
    @Override
    protected Block buildMethodBody() {
        Block block=ast.newBlock();
        ReturnStatement returnStatement=ast.newReturnStatement();
        MethodInvocation methodInvocation=ast.newMethodInvocation();
        methodInvocation.setName(ast.newSimpleName("get"+getPropertyName(targetInterfaceType)));
        returnStatement.setExpression(methodInvocation);


        block.statements().add(returnStatement);

        return block;
    }

    public static String getPropertyName(Class targetInterfaceType)
    { for (Method method:targetInterfaceType.getMethods())
    {
        PropertyGetAtrribute propertyGetAtrribute=(PropertyGetAtrribute) ReflectionUtils.getMethodAnnotation(method,PropertyGetAtrribute.class);
        if(propertyGetAtrribute!=null)
        {
            return propertyGetAtrribute.propName();
        }
    }
        throw new RuntimeException("getPropertyName");

    }

    @Override
    protected String getMethodName() {
        return "getValue";
    }

    public static TypeInfo getUdtDataTypeInfo(Class targetInterfaceType)
    {
        for (Method method:targetInterfaceType.getMethods())
        {
            PropertyGetAtrribute propertyGetAtrribute=(PropertyGetAtrribute) ReflectionUtils.getMethodAnnotation(method,PropertyGetAtrribute.class);
            if(propertyGetAtrribute!=null)
            {
                if(method.getReturnType()==boolean.class)
                    return new TypeInfo(Boolean.class.getTypeName());
                if(method.getReturnType()==byte[].class)
                   return new TypeInfo(method.getReturnType());
                return new TypeInfo(method.getReturnType().getTypeName());
            }
        }
        throw new RuntimeException("getUdtDataTypeInfo");
    }

    @Override
    protected TypeInfo getReturnType() {
        return getUdtDataTypeInfo(targetInterfaceType);
    }

    @Override
    protected ArrayList<Modifier.ModifierKeyword> getAccessModifiers() {
        ArrayList<Modifier.ModifierKeyword> list =new ArrayList<>();
        list.add(Modifier.ModifierKeyword.PUBLIC_KEYWORD);
        return list;
    }

    @Override
    protected boolean getIsOverride() {
        return true;
    }

    @Override
    protected ArrayList<ParameterInfo> getParameterCollection() {
        return null;
    }
}
